Home / 56,673.90-85,015.60-17,231.36

Finding the Fourth Proportional to 56,673.90, 85,015.60 and 17,231.36

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Solution

The fourth proportional to 56,673.90, 85,015.60 and 17,231.36 is: 25,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,673.90 : 85,015.60 = 17,231.36 : x
  2. Step 2: Convert to fraction form
    56,673.90/85,015.60 = 17,231.36/x
  3. Step 3: Cross multiply
    56,673.90x = 85,015.60 × 17,231.36
  4. Step 4: Simplify right side
    56,673.90x = 1,464,934,409.22
  5. Step 5: Solve for x
    x = 1,464,934,409.22/56,673.90
  6. Step 6: Final answer
    x = 25,848.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.